The X1 is perfect for the person that just wants to get on and go. It has everything you?d expect from a Life Fitness elliptical cross-trainer?unparalleled quality, a fluid total-body motion, and the patented Link6? elliptical drive system that delivers an incredibly natural, comfortable stride. And the Advanced Workouts Console provides added workout variety and advanced programs to better help you reach your fitness goals. Key Features of X1 + Advanced Workouts Wireless heart rate monitoring system (included with Advanced Workout Console only) Total-body workout with synchronized upper- and lower-body movement Effort is dispersed to your legs and arms, so you can burn more calories with less perceived exertion Standard fixed stride ErgoGrip? stationary handlebar provides stability during lower-body only workouts Front mounted water bottle holder and built-in reading rack.